Allicdata Part #: | 817-2047-ND |
Manufacturer Part#: |
RN222-3-02 |
Price: | $ 0.00 |
Product Category: | Filters |
Manufacturer: | Schaffner EMC Inc. |
Short Description: | CMC 4.5MH 3A 2LN TH |
More Detail: | 4.5mH @ 1kHz 2 Line Common Mode Choke Through Hole... |
DataSheet: | RN222-3-02 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Voltage Rating - AC: | 250V |
Package / Case: | Vertical, 4 PC Pin |
Height (Max): | 1.165" (29.60mm) |
Size / Dimension: | 1.220" L x 0.709" W (31.00mm x 18.00mm) |
Mounting Type: | Through Hole |
Features: | -- |
Approvals: | UR, VDE |
Ratings: | -- |
Operating Temperature: | -40°C ~ 125°C |
Series: | RN |
Voltage Rating - DC: | -- |
DC Resistance (DCR) (Max): | 82.6 mOhm (Typ) |
Current Rating (Max): | 3A (Typ) |
Inductance @ Frequency: | 4.5mH @ 1kHz |
Number of Lines: | 2 |
Filter Type: | Power Line |
Part Status: | Obsolete |
Packaging: | Tray |
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Common Mode Chokes (CM Chokes) are special type of inductors used to reduce common mode interference in transmission lines. They are basically a form of transformer made up of two coils of wire wound around a magnetic core. The two coils are connected such that one has a higher number of turns than the other. The coils induce electromotive force (EMF) into each other, producing a voltage across them, which suppresses common mode interference. The RN222-3-02 is a typical example of a common mode choke.
The RN222-3-02 model is designed to reduce unwanted common mode interference in digital audio cables. It has a working frequency range of 8kHz to 1MHz, and a maximum current rating of 2.25A. The maximum voltage rating is 250V DC. The inductance ranges from 6.2uH to 8.7uH, depending on the frequency.
In order to understand the working principle of the RN222-3-02, it is important to understand the concept of common mode interference. Common mode interference is an interference signal which is present in both the HOT and COLD lines of a digital audio signal. It is usually caused by external electrical sources, such as power supplies, lighting, etc. The presence of this interference signal can degrade the performance of the digital audio equipment, resulting in poor sound quality.
The RN222-3-02 works by “immunizing” the digital audio lines by suppressing the common mode interference. The core of the choke is made up of an E-shaped ferrite material, which acts as a magnetic field. The cores act as a transformer, where the secondary winding is much larger than the primary winding. When the interference signal passes through the primary winding, it is induced into the larger secondary winding, thus reducing it. At the same time, the electromagnetic flux from the primary winding passes through the ferrite material, reducing it further. The combination of these two effects reduces the interference signal, thus improving the performance of the digital audio equipment.
The RN222-3-02 is a great example of a common mode choke. It is designed to reduce common mode interference in digital audio cables, and it works by using a transformer to induce the interference signal into a larger secondary winding, thus reducing it. The ferrite material then further reduces the interference signal, thus resulting in improved sound quality. The RN222-3-02 is a proven and reliable choice for reducing common mode interference in digital audio cables.
The specific data is subject to PDF, and the above content is for reference
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